Edelfsen spent most of the 2012 season in Fresno, but also appeared in 14 games for the Giants. The 27-year-old right-hander is a sidearmer who features a sinking fastball that ranges between 88-92 mph along with a slider and changeup. Control issues have plagued him during his minor league career (4.6 BB/9), but he has shown an ability to produce groundballs during his brief tenure in the majors with a 61.9 percent groundball rate for his career. Edelfsen will spend another season in Triple-A, and it is doubtful that he will get much time in San Francisco considering the other Triple-A relievers that have moved ahead of him on the depth chart.